Shampoo tray



FIG. 1 is a perspective view of a shampoo tray in accordance with a first embodiment of our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a shampoo tray, as shown and described. 